SCHEMA-97. Refactor Kiji to be an interface.

The original Kiji is now HBaseKiji.
Also added a KijiFactory & HBaseKijiFactory.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
Updates hbase-maven-plugin dependency for hadoop1 to 1.0.10-hadoop1
Changed EnvironmentBuilder to be InstanceBuilder.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
KIJI-351. Kiji filter unit-test.

Signed-off-by: Milo <milo@wibidata.com>
SCHEMA-50. Kiji/KijiAdmin.retain/release().

 - Kiji now owns a lazily creates KijiAdmin singleton.

Signed-off-by: Robert Chu <robert@wibidata.com>
Adds KIJI_CLASSPATH info to 'kiji help'.

Signed-off-by: Juliet Hougland <juliet@wibidata.com>
SCHEMA-142. improve KijiTableReader API by adding KijiScannerOptions

Signed-off-by: Lee Sheng <lsheng@wibidata.com>